function check_auth_cookie()
{
if (isset($_COOKIE['cacti_remembers']) && read_config_option('auth_cache_enabled') == 'on') {
$parts = explode(',', $_COOKIE['cacti_remembers']);
$user = $parts[0];
if ($user != '') {
$user_info = db_fetch_row_prepared('SELECT id, username
FROM user_auth
WHERE username = ?', array($user));
if (!empty($user_info)) {
if (isset($parts[1])) {
$nssecret = $parts[1];
$secret = hash('sha512', $nssecret, false);
$found = db_fetch_cell_prepared('SELECT user_id
FROM user_auth_cache
WHERE user_id = ? AND token = ?', array($user_info['id'], $secret));
if (empty($found)) {
return false;
} else {
set_auth_cookie($user_info);
cacti_log("LOGIN: User '" . $user_info['username'] . "' Authenticated via Authentication Cookie", false, 'AUTH');
db_execute_prepared('INSERT INTO user_log
(username, user_id, result, ip, time)
VALUES
(?, ?, 2, ?, NOW())', array($user, $user_info['id'], $_SERVER['REMOTE_ADDR']));
return $user_info['id'];
}
}
}
}
}
return false;
}
function login() {
try {
$A = new Auth();
} catch(Exception $e) {
die($e->getMessage());
}
if($_POST['password']) {
$P = new Password();
if(!$P->isValid($_POST['password'])) {
$pass_incorrect = true;
} else {
$set_cookie = true;
$cookieval = set_auth_cookie();
try {
$A->create($cookieval);
} catch(Exception $e) {
die($e->getMessage());
}
}
} else {
if(isset($_COOKIE['auth']) && $A->isValid($_COOKIE['auth']))
$already_set = true;
}
?>
<!DOCTYPE html>
<html>
<head><title>set scraps password</title></head>
<body>
<?php if($pass_incorrect): ?>
<p>The password entered does not match the current password.</p>
<?php elseif($set_cookie): ?>
<p>Y'all should be logged in now.</p>
<?php elseif($already_set): ?>
<p>Y'all is already logged in.</p>
<?php else: ?>
<form method="post">
<input name="password" type="password" placeholder="Password?" \>
<input type="submit" value="Login" />
</form>
</body>
</html>
<?php endif;
}
function destroy_session($session_key)
{
global $dbconn;
global $auth_settings;
if (strlen($session_key) != $auth_settings['token_length']) {
return FALSE;
}
// Delete the session cookie
set_auth_cookie("", time() - 3600);
$sql = "DELETE FROM sessions\n\t\tWHERE session_key = :sk\n\t\tOR expire_time < UNIX_TIMESTAMP()";
$stmt = $dbconn->prepare($sql);
$stmt->bindParam(':sk', $session_key, PDO::PARAM_STR);
return $stmt->execute();
}
}
}
/* Process the user */
if (sizeof($user)) {
cacti_log("LOGIN: User '" . $user['username'] . "' Authenticated", false, 'AUTH');
db_execute_prepared('INSERT INTO user_log (username, user_id, result, ip, time) VALUES (?, ?, 1, ?, NOW())', array($username, $user['id'], $_SERVER['REMOTE_ADDR']));
/* is user enabled */
$user_enabled = $user['enabled'];
if ($user_enabled != 'on') {
/* Display error */
auth_display_custom_error_message('Access Denied, user account disabled.');
exit;
}
/* remember this user */
if (isset($_POST['remember_me']) && read_config_option('auth_cache_enabled') == 'on') {
set_auth_cookie($user);
}
/* set the php session */
$_SESSION['sess_user_id'] = $user['id'];
/* handle 'force change password' */
if ($user['must_change_password'] == 'on' && read_config_option('auth_method') == 1) {
$_SESSION['sess_change_password'] = true;
}
$group_options = db_fetch_cell_prepared('SELECT MAX(login_opts)
FROM user_auth_group AS uag
INNER JOIN user_auth_group_members AS uagm
ON uag.id=uagm.group_id
WHERE user_id=?', array($_SESSION['sess_user_id']));
if ($group_options > 0) {
$user['login_opts'] = $group_options;
}